La Crosse, WI-Grandad Half Marathon and 5K Walk, Cycling Event: Come join the fun in La Crosse, Wisconsin at the "Grandad Half Marathon and 5K Walk, Cycling Event" May 1-2, 2015. The 5k will be a timed, competitive race, while the 5k walk is a fun, untimed fitness event for all abilities. Events begin in Riverside Park at 8:30 am. A 5-mile family ride thr...